tekup.dk

📜 Historical scan 2026-09-10 23:21:53  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

tekup.dk is a .dk domain served by 2 nameservers (fonzie.ns.cloudflare.com, irma.ns.cloudflare.com). It was registered on 26 April 2026 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.39.139 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mail.tekup.dk. The zone is not DNSSEC-signed, publishes a DMARC policy and is reachable over IPv6. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records   34ms
NameserverIP addressesPTRASN / ISP
fonzie.ns.cloudflare.com 108.162.195.70
162.159.44.70
172.64.35.70
2606:4700:58::a29f:2c46
2803:f800:50::6ca2:c346
2a06:98c1:50::ac40:2346		 fonzie.ns.cloudflare.com
fonzie.ns.cloudflare.com
fonzie.ns.cloudflare.com
fonzie.ns.cloudflare.com
fonzie.ns.cloudflare.com
fonzie.ns.cloudflare.com		 AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
irma.ns.cloudflare.com 108.162.192.166
172.64.32.166
173.245.58.166
2606:4700:50::adf5:3aa6
2803:f800:50::6ca2:c0a6
2a06:98c1:50::ac40:20a6		 irma.ns.cloudflare.com
irma.ns.cloudflare.com
irma.ns.cloudflare.com
irma.ns.cloudflare.com
irma.ns.cloudflare.com
irma.ns.cloudflare.com		 AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.

🌍 A Records#

2 records   55ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.39.139 300s — AS13335 Cloudflare, Inc. 104.21.0.0/17 — —
172.67.146.25 300s — AS13335 Cloudflare, Inc. 172.67.128.0/17 — —

📧 MX Records#

1 records   44ms
PriorityTTLMail ServerIP addressesPTRASN
10 300s mail.tekup.dk 57.128.215.250 vps-70333b3c.vps.ovh.net AS16276 OVH SAS

🔷 AAAA Records (IPv6)#

2 records   55ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2606:4700:3030::ac43:9219 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —
2606:4700:3037::6815:278b 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —

🔐 HTTPS Records#

1 records   60ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.39.139,172.67.146.25 ech=AEX+DQBB8AAgACDBSrBaqaqFcsMiwZeqQ5X+w4bCQMwDYJdsu6R/YUdXAwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:9219,2606:4700:3037::6815:278b

📝 TXT Records#

1 records   207ms
TXT Record
v=spf1 mx -all

✉️ SPF#

PolicyRecord (tekup.dk)
-all (hard fail) v=spf1 mx -all

📨 DMARC#

PolicyRecord (_dmarc.tekup.dk)
p=reject v=DMARC1; p=reject; rua=mailto:postmaster@tekup.dk

📬 MTA-STS#

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT#

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records#

✗ No CAA records — any CA may issue certificates

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-13 13:51:03
www104.21.39.139 172.67.146.25 2606:4700:3030::ac43:9219 2606:4700:3037::6815:278b (AS13335) (address records, no CNAME)
www vs bare domainSame network
WildcardNo

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔏 ACME Challenge#

TypeNameValue
TXT _acme-challenge.tekup.dk pBZpulcz7MTChOjVvQGaht14H4UCGKFjmX39qFklw3I
TXT _acme-challenge.tekup.dk x1ckmLBesV8rGreP3FRjdHzy-sq5GJZgIAesFhxJaQU

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

88ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

0ms
FieldValue
Serial2413738207
Primary NS (MNAME)fonzie.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-15 13:00:41
FieldValue
RegistrarSimply.com A/S
Registered2026-04-26
Expires2027-04-25 (187d)

🔗 Same registrant#

2 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

DomainRegistrar
essenzaperfume.dkPunktum dk A/S (direct)
roro.dkSimply.com A/S
📋 WHOIS#

⏱️ Lookup Timing#

NS
34ms
A
55ms
MX
44ms
AAAA
55ms
TXT
207ms
CAA
40ms
HTTPS
60ms
TLSA
156ms
SOA
0ms
MTA-STS
86ms
DNSSEC
88ms
SRV
77ms
Total
1290ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-13 13:51:03 692ms 2 NS 2 A 1 MX 🔓 Insecure
2026-10-01 01:08:59 1030ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-23 12:02:40 2095ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-15 21:58:29 1327ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-10 23:21:53 shown 1290ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-07 23:01:46 2065ms 2 NS 2 A 1 MX 🔓 Insecure
2026-08-31 00:32:07 1139ms 2 NS 2 A 1 MX 🔓 Insecure
2026-08-24 22:17:13 9640ms 2 NS 2 A 1 MX 🔓 Insecure
2026-08-23 22:01:16 3200ms 2 NS 2 A 1 MX 🔓 Insecure
2026-08-15 20:14:05 4635ms 2 NS 2 A 1 MX 🔓 Insecure
2026-08-14 14:43:33 1587ms 2 NS 2 A 1 MX 🔓 Insecure
2026-07-27 12:15:12 10444ms 2 NS 2 A 1 MX 🔓 Insecure
2026-07-26 11:56:24 1982ms 2 NS 2 A 1 MX 🔓 Insecure
2026-07-15 20:14:10 1204ms 2 NS 2 A 1 MX 🔓 Insecure
2026-06-26 21:31:04 884ms 2 NS 2 A 1 MX 🔓 Insecure
2026-06-24 07:26:35 1156ms 0 NS 0 A 0 MX ❓ Unknown
2026-06-17 16:44:59 2174ms 2 NS 2 A 1 MX 🔓 Insecure
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